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【单选题】
关于压强下列说法正确的是( )A.
压强是表征压力大小的物理量
B.
压强是表征压力方向的物理量
C.
压强是表征压力作用效果的物理量
D.
压强是表征重力作用效果的物理量
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举一反三
【多选题】 Every month we should
A.
check operation of lights
B.
check seat belts
C.
renew timing belt
D.
check air conditioning system
【单选题】We should make the best of every _______ to learn.
A.
change
B.
opportunity
C.
availability
【简答题】We should eat a lot of every day.(rice)
【单选题】We should save every drop of our ___________ .
A.
limitation
B.
resource
C.
product
D.
destination
【单选题】We should_ of every bit of time.
A.
made well use
B.
make well use
C.
made good use
D.
make good use
【单选题】We should recognize that every company and every person is part of a long ______ of customers and suppliers.
A.
pool
B.
line
C.
stream
D.
chain
【判断题】According to the writer, in order to restore balance in our lives, we should take advantage of every opportunity in our lives.
A.
正确
B.
错误
【单选题】We should try every effort to pr violence from happening at school, ______ more and more students would drop out of school ______ their personal safety could not be guaranteed.
A.
though; if only
B.
though; so long as
C.
for; now that
D.
for; if
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